Speed of Sound by Coldplay was the 1,000,000,000th song downloaded through the iTunes Music Store, and Alex Ostrovsky receives the prize for being the buyer of the billionth song legally sold.

Alex will get a brand new iMac, ten fifth-generation 60GB iPods, and $10,000 in iTunes store credit: a great prize for doing nothing more than buying from their store. In addition to those prizes, Alex will get a scholarship to the Jilliard School of Music in New York.

Apple Computers left a little note to the readers of Apple’s website. “Music lovers like you in 21 countries around the globe have purchased 1 billion songs from the iTunes Music Store, and for helping us reach this massive milestone in digital music history, we’d like to thank you.”

CEO, Steve Jobs also had something to say on the matter of the 10-digit download. “I hope that every customer, artist and music company executive takes a moment today to reflect on what we’ve achieved together during the past three years, over one billion songs have now been legally purchased and downloaded around the globe, representing a major force against music piracy and the future of music distribution as we move from CDs to the Internet.”

iTunes currently accounts for approximately eighty percent of all legal music downloads, however, only six percent of the music-sales market: CD sales are still strong, but new mediums are growing immensely, and can only be expected to continue.